From the main screen on the ESXi host press Alt + F1.
At the next screen type:
and enter the root password when prompted.
Use a text editor to uncomment (remove the hash symbol #) from the beggining of the following line in the file /etc/inetd.conf. Then save the changes:
# ssh stream tcp nowait root /sbin/dropbearmulti dropbear -l
Resatrt the process called inetd by running:
Verify the ESXi host is accessible by SSH. To do this from the SSH client, log into the ESX host:
~ # dbclient root@server
The output will be similar to: